山西大學(xué)計(jì)算機(jī)與信息技術(shù)學(xué)院博士生導(dǎo)師，主持和參與國(guó)家自然科學(xué)基金(含重點(diǎn)基金)、國(guó)家863計(jì)劃、973前期研究計(jì)劃專項(xiàng)等國(guó)家級(jí)項(xiàng)目多項(xiàng)。近年來(lái)，先后在《Artificial Intelligence》、《IEEE Transactions on Fuzzy Systems》、《Pattern Recognition》、《IEEE Transactions on Systems, Man and Cybernetics》、《International Journal of Approximate Reasoning》、《Information Sciences》、《Data & Knowledge Engineering》、《中國(guó)科學(xué)》、《計(jì)算機(jī)學(xué)報(bào)》等國(guó)際國(guó)內(nèi)重要學(xué)術(shù)刊物和國(guó)際會(huì)議發(fā)表學(xué)術(shù)論文70余篇，SCI收錄30余篇，獲發(fā)明專利2項(xiàng)。2008年獲得教育部寶鋼教育基金特等獎(jiǎng)，2011年獲得CCF優(yōu)秀博士論文獎(jiǎng)，2011年獲得山西省“五四青年獎(jiǎng)?wù)隆钡泉?jiǎng)勵(lì)。

主要從事計(jì)算智能、數(shù)據(jù)挖掘與知識(shí)發(fā)現(xiàn)方面的科研教學(xué)工作。

1. Jiye LIANG, Feng WANG, Chuangyin DANG, Yuhua QIAN. An efficient rough feature selection algorithm with a multi-granulation view, International Journal of Approximate Reasoning. 53(6):912-926, 2012-09.

2. Wei WEI, Jiye LIANG, Yuhua QIAN. A comparative study of rough sets for hybrid data, Information Sciences. 190:1-16, 2012-05.

3. Jiye LIANG, Ru LI, Yuhua QIAN. Distance: A more comprehensible perspective for measures in rough set theory, Knowledge-Based Systems. 27:126-136, 2012-04.

4. Peng SONG, Jiye LIANG, Yuhua QIAN. A two-grade approach to ranking interval data, Knowledge-Based Systems. 27:234-244, 2012-03.

5. Yuhua QIAN, Jiye LIANG, Witold Pedrycz, Chuangyin DANG. An efficient accelerator for attribute reduction from incomplete data in rough set framework, Pattern Recognition. 44(8):1658-1670, 2011-08.

6. Fan MIN, Huaping HE, Yuhua QIAN, William ZHU. Test-cost-sensitive attribute reduction, Information Sciences. 181(25):4928-4942, 2011-07.

7. Yuhua QIAN, Jiye LIANG, Weizhi WU, Chuangyin DANG. Information Granularity in Fuzzy Binary GrC Model, IEEE Transactions on Fuzzy Systems. 19(2):253-264, 2011-04.

8. 錢宇華, 梁吉業(yè), 王鋒. 面向非完備決策表的正向近似特征選擇加速算法, 計(jì)算機(jī)學(xué)報(bào). 34(3):435-442, 2011-03.

9. Yuhua QIAN, Jiye LIANG, Witold Pedrycz, Chuangyin DANG. Positive approximation: an accelerator for attribute reduction in rough set theory, Artificial Intelligence. 174(9-10):597-618, 2010-09.

10. Wei WEI, Jiye LIANG, Yuhua QIAN, Feng WANG, Chuangyin DANG. Comparative study of decision performance of decision tables induced by attribute reductions, International Journal of General Systems. 39(8):813-838, 2010-07.

11. Yuhua QIAN, Jiye LIANG, Deyu LI, Feng WANG, Nannan MA. Approximation reduction in inconsistent incomplete decision tables, Knowledge-Based Systems. 23(5):427-433, 2010-06.

12. Yuhua QIAN, Jiye LIANG, Yiyu YAO, Chuangyin DANG. MGRS: A multi-granulation rough set, Information Sciences. 180(6):949-970, 2010-03.

13. Yuhua QIAN, Jiye LIANG, Chuangyin DANG. Incomplete multigranulation rough set, IEEE Transactions on Systems, and Cybernetics-Part A: Systems and humans. 40(2):420-431, 2010-03.

14. Yuhua QIAN, Jiye LIANG, Peng SONG, Chuangyin DANG. On dominance relations in disjunctive set-valued ordered information systems, International journal of information technology & decision making. 9(1):9-33, 2010-01.

15. Yuhua QIAN, Jiye LIANG, Feng WANG. A new method for measuring the uncertainty in incomplete information systems, International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems. 17(6):855-880, 2009-12.

16. Yuhua QIAN, Chuangyin DANG, Jiye LIANG, Dawei TANG. Set-valued ordered information systems, Information Sciences. 179(16):2809-2832, 2009-07.

17. Yuhua QIAN, Jiye LIANG, Chuangyin DANG. Knowledge structure, knowledge granulation and knowledge distance in a knowledge base, International Journal of Approximate Reasoning. 50(1):174-188, 2009-01.

18. Jiye LIANG, Junhong WANG, Yuhua QIAN. A new measure of uncertainty based on knowledge granulation for rough sets, Information Sciences. 179(4):458-470, 2009-01.

19. Yuhua QIAN, Jiye LIANG, Chuangyin DANG. Interval ordered information systems, Computers and Mathematics with Applications. 56:1994-2009, 2008-10.

20. Yuhua QIAN, Jiye LIANG, Chuangyin DANG. Consistency measure, inclusion degree and fuzzy measure in decision tables, Fuzzy Sets and Systems. 159(18):2353-2377, 2008-09.

21. Jiye LIANG, Yuhua QIAN. Information granules and entropy theory in information systems, Science in China Series F: Information Sciences. 51(9):1-18, 2008-09.

22. Yuhua QIAN, Chuangyin DANG, Jiye LIANG, Haiyun ZHANG, Jianmin MA. On the evaluation of the decision performance of an incomplete decision table, Data and Knowledge Engineering. 65(3):373-400, 2008-06.

23. Junhong WANG, Jiye LIANG, Yuhua QIAN, Chuangyin DANG. Uncertainty measure of rough sets based on a knowledge granulation for incomplete information systems, International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems. 16(2):233-244, 2008-04.

24. Yuhua QIAN, Jiye LIANG, Chuangyin DANG. Converse approximation and rule extraction from decision tables in rough set theory, Computers and Mathematics with Applications. 55(8):1754-1765, 2008-04.

25. Yuhua QIAN, Jiye LIANG. Combination entropy and combination granulation in rough set theory, International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems. 16(2):179-193, 2008-04.

26. Yuhua QIAN, Jiye LIANG, Chuangyin DANG, Feng WANG. Consistency and Fuzziness in Ordered Decision Tables, Lecture Notes in Artificial Intelligence. 63-71, 2008-03.

27. Yuhua QIAN, Jiye LIANG, Deyu LI, Haiyun ZHANG, Chuangyin DANG. Measures for evaluating the decision performance of a decision table in rough set theory, Information Sciences. 178(1):181u2013202, 2008-01.

28. Yuhua QIAN, Jiye LIANG, Xia ZHANG, Chuangyin DANG. Rough Set Approach Under Dynamic Granulation in Incomplete Information Systems, Lecture Notes in Artificial Intelligence. 4827:1-8, 2007-10.

29. Yuhua QIAN, Jiye LIANG. Evaluation Method for Decision Rule Sets, Lecture Notes in Artificial Intelligence. 4482:272u2013279, 2007-10.

30. Jiye LIANG, Yuhua QIAN. Axiomatic approach of knowledge granulation in information system, Lecture Notes in Artificial Intelligence. 4304:1074-1078, 2006-12.

31. Yuhua QIAN, Jiye LIANG. Combination entropy and combination granulation in incomplete information system, Lecture Notes in Artificial Intelligence. 4062:184-190, 2006-07.

32. Jiye LIANG, Yuhua QIAN, Chengyuan CHU, Deyu LI, Junhong WANG. Rough Set Approximation Based on Dynamic Granulation, Lecture Notes in Computer Science. 3641:701-708, 2005-08.

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2. 多粒度空間的通訊、轉(zhuǎn)換及其問(wèn)題求解機(jī)制研究, 國(guó)家自然科學(xué)基金, 2010.01-2012.12, 主持人

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6. 一種LED鐵路信號(hào)燈光源, 山西省專利推廣項(xiàng)目計(jì)劃, 2010.05-2011.05, 參與者

7. 基于概念格的序列模式挖掘模型與算法研究, 山西省青年科技基金, 2010.01-2011.12, 參與者

8. 混合數(shù)據(jù)的粒度結(jié)構(gòu)與知識(shí)獲取算法研究, 山西省自然科學(xué)基金, 2010.01-2012.12, 參與者

9. 算法設(shè)計(jì)課程群實(shí)踐教學(xué)體系研究與實(shí)踐, 山西省教育廳, 2009.01-2009.01, 參與者

10. 信息系統(tǒng)框架下混合數(shù)據(jù)的粒度分析理論與算法研究, 教育部博士點(diǎn)專項(xiàng)科研基金, 2009.01-2011.12, 參與者

11. 復(fù)雜信息系統(tǒng)的粒度結(jié)構(gòu)與知識(shí)獲取研究, 國(guó)家自然科學(xué)基金, 2008.01-2010.12, 參與者

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14. 信息系統(tǒng)中的不確定度量及其知識(shí)獲取方法研究, 教育部科學(xué)技術(shù)研究重點(diǎn)項(xiàng)目, 2007.02-2009.12, 參與者

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2016年3月，錢宇華入選中國(guó)高被引學(xué)者榜單。